Home / 19,873.42-27,437.34-13,164.76

Finding the Fourth Proportional to 19,873.42, 27,437.34 and 13,164.76

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Solution

The fourth proportional to 19,873.42, 27,437.34 and 13,164.76 is: 18,175.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,873.42 : 27,437.34 = 13,164.76 : x
  2. Step 2: Convert to fraction form
    19,873.42/27,437.34 = 13,164.76/x
  3. Step 3: Cross multiply
    19,873.42x = 27,437.34 × 13,164.76
  4. Step 4: Simplify right side
    19,873.42x = 361,205,996.14
  5. Step 5: Solve for x
    x = 361,205,996.14/19,873.42
  6. Step 6: Final answer
    x = 18,175.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.